Art Deco Diamond & Guilloché Enamel Ring Size:9.25 with an uncarved oval head

with an uncarved oval head and scrolled shoulder accents

A wonderful example of late Victorian jewellery

A masterclass in platinum openwork is laid out around a central Ceylon blue sapphire - all fine millegrain swirls and chunky old cut diamonds (around 2 carats in total)

edged with gold

The antique key dealer I bought this from informed me that it's French

Art Deco Diamond & Guilloché Enamel Ring Size:9.25 with an uncarved oval headDATE: Art Deco, c. 1920 An unusual antique ring set with fourteen rose cut diamonds, diagonally set with vibrant waves of green guilloch enamel sweeping across the band. The band is crafted in 18k gold and dates from the Art Deco period, circa 1920. STONES Rose Cut Diamonds MEASUREMENTS Width at head: 8mm Width of band: 2. 9mm Rise off finger: 3. 4mm WEIGHT 5. 1g MARKS Partial English hallmarks Tests as 18k gold CONDITION Excellent